[mythtv-users] migrating a backend

[Nick Rout]

On Thu, Mar 12, 2009 at 2:55 PM, Nick Rout <nick.rout at gmail.com> wrote:
> On Thu, Mar 12, 2009 at 2:51 PM, Jason Weida <jason.m.weida at gmail.com> wrote:
>> I've done some googling, wiki-searching and a gossamer search and have not
>> typed in the magic words that would point me to a good set of instructions
>> on what needs to be done in order to migrate to a new backend.  Well, really
>> not so much new.  I'm planning on wiping my current ubuntu based backend
>> (where Myth was added as an afterthought) and installing mythbuntu on the
>> same machine.  I've got my OS/DB on a 40G drive, my recordings on a 160G
>> drive.  I'm also adding a new 250G drive for additional storage space.
>>
>> I've found and downloaded mythconverg_backup.pl and mythconverg_restore.pl
>> and feel comfortable running those, but without some solid reassurance, I
>> don't yet have the guts to pull the trigger on this migration.  I'd
>> obviously like to retain all my recordings, commercial scans, recording
>> schedules and recording history, which I assume is all covered in the
>> database backup, sans the recordings which will remain on the same 160G
>> drive.  The rest is easy enough to set up (installing my HDHR, SchedDirect
>> info).
>>
>> So, here's my plan:
>> 1. backup the database using the mythconverg_backup script and copy to a
>> flash drive.
>> 2. pop in the mythbuntu live CD, run through the guided installation, taking
>> care not to format my 160G drive.
>> 3. restore the database using the mythconverg_restore.pl script
>> 4. run through the mythbackend setup GUI to set up my tuner
>>
>> I would *greatly* appreciate any feedback from anyone who has experience
>> with this.  If I can get some confirmation on my plan, I'd be happy to add
>> it to the wiki, even if it's just a page that points to the database
>> backup/restore.  I believe that this would be the same procedure regardless
>> of if you're re-installing the OS vs. upgrading/moving to new hardware.
>
> That sounds pretty sound, but others will tell you if you have missed
> something major.
>
> My only tip is to unplug the 160GB drive during the install, just in
> CASE you or the installer accidentally format it.
>

Further thought - the dB also has all your tuner settings so they
should be restored too.

Other thing to watch is version change - you really want to be keeping
the database schema the same, or going to a later version.